| San Marino to Sudbury | 5,434.73 mi (8,746.36 km) |
| San Marino to Sunbury | 5,426.63 mi (8,733.32 km) |
| San Marino to Sunderland | 5,238.95 mi (8,431.28 km) |
| San Marino to Sunninghill | 5,420.12 mi (8,722.83 km) |
| San Marino to Surbiton | 5,431.73 mi (8,741.53 km) |
| San Marino to Sutton | 5,436.60 mi (8,749.37 km) |
| San Marino to Sutton Coldfield | 5,330.07 mi (8,577.92 km) |
| San Marino to Sutton in Ashfield | 5,322.60 mi (8,565.90 km) |
| San Marino to Sutton on Hull | 5,322.57 mi (8,565.85 km) |
| San Marino to Swadlincote | 5,329.05 mi (8,576.27 km) |
| San Marino to Swallownest | 5,309.90 mi (8,545.46 km) |
| San Marino to Swanage | 5,413.36 mi (8,711.96 km) |
| San Marino to Swindon | 5,376.45 mi (8,652.57 km) |
| San Marino to Swinton | 5,304.58 mi (8,536.90 km) |
| San Marino to Swinton | 5,271.29 mi (8,483.33 km) |
